Home / 257,725,205.40-355,660,841.52-141,831,701.40

Finding the Fourth Proportional to 257,725,205.40, 355,660,841.52 and 141,831,701.40

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Solution

The fourth proportional to 257,725,205.40, 355,660,841.52 and 141,831,701.40 is: 195,727,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,725,205.40 : 355,660,841.52 = 141,831,701.40 : x
  2. Step 2: Convert to fraction form
    257,725,205.40/355,660,841.52 = 141,831,701.40/x
  3. Step 3: Cross multiply
    257,725,205.40x = 355,660,841.52 × 141,831,701.40
  4. Step 4: Simplify right side
    257,725,205.40x = 50,443,982,274,137,360
  5. Step 5: Solve for x
    x = 50,443,982,274,137,360/257,725,205.40
  6. Step 6: Final answer
    x = 195,727,779.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.